CN107739917A - A kind of high intensity sway bar - Google Patents
A kind of high intensity sway bar Download PDFInfo
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- CN107739917A CN107739917A CN201710761150.8A CN201710761150A CN107739917A CN 107739917 A CN107739917 A CN 107739917A CN 201710761150 A CN201710761150 A CN 201710761150A CN 107739917 A CN107739917 A CN 107739917A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
- C22C21/04—Modified aluminium-silicon alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
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Abstract
The present invention relates to a kind of sway bar, and in particular to a kind of aluminium alloy high-strength sway bar, belongs to technical field of alloy material.High intensity sway bar of the present invention is made of aluminum alloy materials, and the aluminum alloy materials are made up of the composition of following mass percent：Si：11.2 11.8%, Mg：1.0 1.5%, Cr：0.1 0.2%, Cu：0.25 0.3%, Mn：0.15 0.25%, Zr：0.1 0.3%, surplus is Al and inevitable impurity element.High intensity sway bar of the present invention is prepared using aluminum alloy materials, and coverture and K/Na alterants are added in preparation process so that alloy has high intensity and good anti-stress corrosion performance concurrently.
Description
Technical field
The present invention relates to a kind of sway bar, and in particular to a kind of aluminium alloy high-strength sway bar, belongs to alloy material technology
Field.
Background technology
Rod member, refer to longitudinal direction (length direction) the size component more much greater than laterally (perpendicular to length direction) size.
The shape and size of rod member can be described by the cross section and the main geometric element of two, axis of bar.Cross section refers to rectangular with bar
To vertical section, and axis is the line of each cross-section center.Cross section is mutually perpendicular with rod axis.Axis is straight
Line, cross section identical bar are referred to as Problem of A Straight Bar With Uniform Cross Section.Automobile is in tempo turn, due to affected by centrifugal force, vehicle meeting
Generation is engaged in internal strife, or even rollover, and vehicle is easily out of control, or even the accident of car crash can occur.Hyundai Motor is to prevent automobile from sending out
Life is engaged in internal strife, and is typically equipped with sway bar, if but sway bar intensity deficiency, its effect can not be given full play to, and automobile, which is engaged in internal strife, to be showed
As still existing.
The content of the invention
The present invention is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of intensity is high, the high intensity of service life length
Sway bar.
The above-mentioned purpose of the present invention can be realized by following technical proposal：A kind of high intensity sway bar, the high intensity are prevented
The bar that inclines is made of aluminum alloy materials, and the aluminum alloy materials are made up of the composition of following mass percent：Si：11.2-
11.8%, Mg：1.0-1.5%, Cr：0.1-0.2%, Cu：0.25-0.3%, Mn：0.15-0.25%, Zr：0.1-0.3%, it is remaining
Measure as Al and inevitable impurity element.
High intensity sway bar of the present invention is made of alusil alloy material, and Si is main alloying member in this kind of alloy
Element, Si improve the mobility of alloy, reduce hot cracking tendency, reduce loose, raising air-tightness.This kind of alloy has had corrosion-resistant
Performance machinability, there is high intensity and hardness.Si content is 11.2-11.8% in aluminium alloy of the present invention, is total to for binary
Brilliant alusil alloy, there is excellent casting character.
In addition, in high intensity sway bar of the present invention, Mg elements are also added into.Mg is reinforcing member main in alusil alloy
Element, the thermally treated reinforcings of Mg and Si form Mg2Si precipitated phases, effectively increase the performance of alloy.Why Mg, which turns into, can make plinth
The maximum alloying element of solution strengthening rate, it is very big because of its solubility in solid solution, and atomic radius is bigger than Al by 13%.When
After Mg incorporates solid solution, its crystalline temperature paroxysm is given birth to very big distortion, cause the mechanical performance of alloy to be greatly improved.If magnesium
Addition is excessive, then some thick Mg2Si can not dissolve in solid solution, alloy is become fragile.Meanwhile Mg can suppress Fe phases
Illeffects.When Fe content is relatively low, Mg and Si still forms Mg2Si phases, when amount containing Fe increases, Al-Fe- can be formed
Si-Mg compounds, so as to reduce Fe harm.
In the aluminum alloy materials of high intensity sway bar of the present invention, the addition of Cu elements and Mn elements can enable aluminum alloy to reach
The time of aging peak reduces, while the increase of alloy hardening effect, decay resistance enhancing；The addition energy refining alloy of Zr elements
As-cast structure, alloy mechanical property is improved, but the content of Zr elements is excessive, easily generates Al3Zr particles, so as to reduce alloy force
Performance is learned, the present invention uses the Zr of above-mentioned content, the intensity of aluminum alloy enabled to and the enhancing of follow-up weld strength, and carefully
Both tissues are changed.
In a kind of above-mentioned high intensity sway bar, compound addition Sc elements and Zr elements in aluminum alloy materials.Rare earth member
Plain Sc has strong metamorphism, and it can refine weld metal zone crystal grain, reduces weld crack tendentiousness, changes rare Zr addition
Pattern, when Sc contents continue to improve, it might even be possible to make the phase of crystal boundary low melting point second be changed into interrupted shape by sequential like.In addition, Sc
The recrystallized structure of weld heat-affected zone can be suppressed.Therefore, the aluminum alloy materials containing Sc, not only high intensity, but also
There is high SCR stability.The A that Sc, Zr of compound addition can be formed in Dispersed precipitate in the alloy in the alloy13(Sc, Zr)
Particle, the particle can improve recrystallization temperature with pinning crystal boundary.Therefore respective alloy is after heat treatment, most of not occur back
Multiple recrystallization, the fraction crystal grain recrystallized are very tiny.Therefore, Sc and Zr compound addition reduces crystal boundary and matrix
Electrode potential, avoid grain boundary corrosion.
A kind of preparation method of high intensity sway bar, the preparation method comprise the following steps：High intensity anti-dumping will be prepared
The aluminum alloy materials of bar carry out melting, add the coverture that quality is aluminum alloy materials quality 2-5% while melting, use C2Cl6
Skim and to stand 20-30min after degasification, add K/Na alterants, then cool and cast to obtain high intensity sway bar casting；Will be high-strength
Degree sway bar casting is heat-treated, high intensity sway bar finished product is obtained after rare earth modified anodized, sealing pores.
In a kind of above-mentioned preparation method of high intensity sway bar, the coverture includes the group of following mass percent
Point：40-50%KCl, 40-50%NaCl, 15-20% ice crystal.Aluminium easily forms Al under high temperature fused state2O3Oxidation
Film, therefore aluminum melt is protected.The present invention is by adding above-mentioned coverture, because its fusing point is lower than melt temperature, than
It is again smaller than melt, there is good wettability, one layer of continuous liquid cover layer can be formed in bath surface, by melt and stove
Material separates, and has certain affinability, can prevent melt oxidation and inhale hydrogen, while also have the effect of row's hydrogen.
In a kind of above-mentioned preparation method of high intensity sway bar, the addition of the K/Na alterants is aluminum alloy materials
0.5-1%.The present invention can make the obvious suspension of carbide in tissue, shape convergence by adding a certain amount of K/Na alterants
In spherical, the relative reduction of impurity content.Wherein K, Na belong to alkali metal, and its fusing point is low, and atomic radius is larger, it is easy to lose most
Outer-shell electron.O, S is the major impurity in steel, is surface active element, can reduce surface tension and the interface of melt
Power.Strong K/Na deoxidation, desulfidation so that O, S content decline rapidly in molten iron, so as to cause surface tension and interface
Power increases.Surface active element (O, S) etc. can disturb carbide growth, slow down the speed of growth on some directions, make carbide
In uneven shape, Metamorphism treatment can prevent this interference effect；Alterant can also adsorb and be carbonized in the form of a film
Thing surface, reduce the speed of growth in carbide preferred growth direction so that tend to be uniform into the speed of growth in all directions, be carbonized
Thing pattern also tends to a nodularization, has refined the carbide in mould steel.
In a kind of above-mentioned preparation method of high intensity sway bar, the heat treatment includes Homogenization Treatments, hot extrusion in short-term
Pressure, solution treatment and Ageing Treatment.Wherein, the temperature of uniform treatment is 450-480 DEG C in short-term, time 1-1.2h.By equal
Al be present after homogenizing processing3The peak of (Sc, Zr), illustrate that its heat endurance is higher.The present invention uses water cooling after uniform treatment in short-term,
Alloy can be made, and precipitated phase is reduced in its matrix of water cooling after Homogenization Treatments, is advantageous to follow-up deformation, this is due to uniform
Change a large amount of low melting point eutectics in processing procedure and be mutually added to formation supersaturated solid solution among matrix, when it is in very fast cooling velocity
During lower cooling (water cooling), supersaturated solid solution, which has little time to separate out, arrives room temperature.And when material Slow cooling, supersaturated solid solution
Decomposition causes the second phase increase in material.Therefore the type of cooling of water cooling after selection homogenizes.
In a kind of above-mentioned preparation method of high intensity sway bar, the temperature of hot extrusion is 430-470 DEG C, extrusion ratio
For 15-16:1.With the raising of extrusion temperature, the second phase content in material is consequently increased, and the presence of these the second phases is broken
It is broken the continuity of material and the formation of crack in material deformation process can be turned into, so as to causes material mechanical performance to decline.When crowded
Pressure temperature is too high, then the power of Second Phase Precipitation is stronger.Therefore the present invention is carried out at hot extrusion using said temperature and extrusion ratio
Reason.
In a kind of above-mentioned preparation method of high intensity sway bar, the temperature of the solution treatment is 450-500 DEG C, the time
For 1-2h.The change of performance and phase constituent, alloy original structure and as-quenched tissue signature, quenching condition etc. after solution treatment
Series of factors is relevant, and different-alloy performance change differs widely, and alusil alloy of the present invention can make various phases in alloy fully molten
Solution, Intensive intervention body, and toughness and etch resistant properties are improved, stress and softening are eliminated, to continue to process or to be molded.
In a kind of above-mentioned preparation method of high intensity sway bar, the temperature of the Ageing Treatment is 100-130 DEG C, the time
For 2-3h.Ageing Treatment can improve the yield tensile ratio of material so as to improve the resistance of deformation of material, and this is due to after timeliness in material
Portion produces a large amount of nanometer phases, can effectively pinning dislocation motion, improve material yield strength.As aging time extends, prolong
Dispersed precipitate has a large amount of nanometer precipitated phases in long matrix, improves the intensity of material.
In a kind of above-mentioned preparation method of high intensity sway bar, the electrolysis used in the rare earth modified anodized
Liquid includes following composition:Sulfuric acid 108ml/L, glycerine 8ml/L, oxalic acid 129-130g/L, cerium chloride O.59-0.71g/L, chlorination
Lanthanum 0.59-0.71g/L, the voltage of rare earth modified anodized are 12-15V, time 1.5-2h, the thickness of oxidation film layer
For 20-30 μm.The method that the present invention uses rare earth modified anode oxide film, the addition of rare earth element can change the knot of oxidation film layer
Structure so that film hardness changes, so as to improve the hardness on obtained high intensity sway bar surface.Cerium salt perception anodic oxidation
Film, the diameter of fenestra can be effectively reduced, cause corrosive medium to be difficult to enter fenestra, thus corrosion resistance improves.Meanwhile aoxidize fenestra
Footpath diminishes, and anode oxide film consistency improves.Therefore the present invention is by rare earth modified anode oxide film, can make what is obtained after processing
Oxidation film layer serves protective effect to high intensity sway bar casting, can improve the corrosion resistance of sway bar casting, wearability, resistance to
The performances such as Hou Xing, insulating properties and outward appearance.
In a kind of above-mentioned preparation method of high intensity sway bar, the pore-sealing liquid of the sealing pores includes：CeCl3·
7H20：0.39-0.45g/L、H3B03：0.5-0.6g/L、H202：0.3-0.4ml/L.The present invention uses the pore-sealing liquid of mentioned component,
The sealing of hole film surface that can make to obtain is in granular form, surfacing, is illustrated that cerium salt product deposition is more uniform, is sunk on oxide-film surface
Product absorption forms one layer of fine and close protection film layer, matrix is hedged off from the outer world, and serves good mechanical anti-corrosion effect.
Compared with prior art, the invention has the advantages that：
1st, high intensity sway bar of the present invention is prepared using aluminum alloy materials, and the composition of reasonable compatibility aluminium alloy into
Point and its mass percent, the high intensity sway bar that can make to obtain have light weight, intensity high, corrosion-resistant and other effects.
2nd, high intensity sway bar of the present invention prevents melt oxidation and inhales hydrogen, while also have row's hydrogen by adding coverture
Effect, while add a certain amount of K/Na alterants, can make the obvious suspension of carbide in tissue, shape level off to it is spherical, it is miscellaneous
Matter content is relative to be reduced.
3rd, the heat treatment in high intensity sway bar preparation process of the present invention is using water cooling, hot extrusion after Homogenization Treatments in short-term
The mode of pressure, solution treatment and Ageing Treatment, while use rare earth modified anode oxide film and sealing pores so that alloy has concurrently
High intensity and good anti-stress corrosion performance.
Embodiment
It is the specific embodiment of the present invention below, technical scheme is further described, but the present invention is simultaneously
It is not limited to these embodiments.
Embodiment 1
The aluminum alloy materials for preparing high intensity sway bar are subjected to melting, wherein, the composition of aluminum alloy materials is：Si：
11.2%, Mg：1.0%, Cr：0.1%, Cu：0.25%, Mn：0.15%, Zr：0.1%, surplus is for Al and inevitably
Impurity element；The coverture that quality is aluminum alloy materials quality 2% is added while melting, coverture includes following quality percentage
The component of ratio：40%KCl, 40%NaCl, 20% ice crystal；Use C2Cl6Skim and to stand 20min after degasification, adding quality is
The K/Na alterants of aluminum alloy materials 0.5%, then cool and cast to obtain high intensity sway bar casting；High intensity sway bar casting is entered
High intensity sway bar finished product is obtained after row heat treatment, rare earth modified anodized, sealing pores, wherein, heat treatment is included such as
Lower step：The temperature of uniform treatment is 450 DEG C in short-term, time 1h；The temperature of hot extrusion is 430 DEG C, extrusion ratio 15:
1；The temperature of solution treatment is 450 DEG C, time 1h；Electrolyte used in rare earth modified anodized include as follows into
Point：Sulfuric acid 108ml/L, glycerine 8ml/L, oxalic acid 129g/L, cerium chloride O.59g/L, lanthanum chloride 0.59g/L, rare earth modified sun
The voltage of pole oxidation processes is 12V, time 1.5h；The pore-sealing liquid of sealing pores includes：CeCl3·7H20：0.39g/L、
H3B03：0.5g/L、H202：0.3ml/L.
Embodiment 2
The aluminum alloy materials for preparing high intensity sway bar are subjected to melting, wherein, the composition of aluminum alloy materials is：Si：
11.4%, Mg：1.2%, Cr：0.13%, Cu：0.26%, Mn：0.18%, Zr：0.15%, surplus is for Al and unavoidably
Impurity element；The coverture that quality is aluminum alloy materials quality 2.8% is added while melting, coverture includes following quality
The component of percentage：43%KCl, 41%NaCl, 16% ice crystal；Use C2Cl6Skim and to stand 23min after degasification, add matter
The K/Na alterants for aluminum alloy materials 0.65% are measured, then cools and casts to obtain high intensity sway bar casting；By high intensity sway bar
Casting is heat-treated, high intensity sway bar finished product is obtained after rare earth modified anodized, sealing pores, wherein, heat treatment
Comprise the following steps：The temperature of uniform treatment is 458 DEG C in short-term, time 1.06h；The temperature of hot extrusion is 440 DEG C, is squeezed
Pressure ratio is 15.3:1；The temperature of solution treatment is 460 DEG C, time 1.3h；Electrolysis used in rare earth modified anodized
Liquid includes following composition：Sulfuric acid 108ml/L, glycerine 8.5ml/L, oxalic acid 129.3g/L, cerium chloride O.59.8g/L, lanthanum chloride
0.59.5g/L, the voltage of rare earth modified anodized is 12.8V, time 1.65h；The pore-sealing liquid of sealing pores includes：
CeCl3·7H20：0.41g/L、H3B03：0.53g/L、H202：0.33ml/L.
Embodiment 3
The aluminum alloy materials for preparing high intensity sway bar are subjected to melting, wherein, the composition of aluminum alloy materials is：Si：
11.5%, Mg：1.25%, Cr：0.15%, Cu：0.28%, Mn：0.2%, Zr：0.2%, surplus is for Al and inevitably
Impurity element；The coverture that quality is aluminum alloy materials quality 3.5% is added while melting, coverture includes following quality hundred
Divide the component of ratio：45%KCl, 40%NaCl, 15% ice crystal；Use C2Cl6Skim and to stand 25min after degasification, add quality
For the K/Na alterants of aluminum alloy materials 0.75%, then cool and cast to obtain high intensity sway bar casting；High intensity sway bar is cast
Part is heat-treated, high intensity sway bar finished product is obtained after rare earth modified anodized, sealing pores, wherein, heat treatment bag
Include following steps：The temperature of uniform treatment is 465 DEG C in short-term, time 1.1h；The temperature of hot extrusion is 450 DEG C, extruding
Than for 15.5:1；The temperature of solution treatment is 475 DEG C, time 1.5h；Electrolyte used in rare earth modified anodized
Including following composition：Sulfuric acid 109ml/L, glycerine 9ml/L, oxalic acid 129.5g/L, cerium chloride O.6g/L, lanthanum chloride 0.6g/L,
The voltage of rare earth modified anodized is 13.5V, time 1.75h；The pore-sealing liquid of sealing pores includes：CeCl3·
7H20：0.42g/L、H3B03：0.55g/L、H202：0.35ml/L.
Embodiment 4
The aluminum alloy materials for preparing high intensity sway bar are subjected to melting, wherein, the composition of aluminum alloy materials is：Si：
11.6%, Mg：1.4%, Cr：0.17%, Cu：0.27%, Mn：0.22%, Zr：0.25%, surplus is for Al and unavoidably
Impurity element；The coverture that quality is aluminum alloy materials quality 4% is added while melting, coverture includes following quality hundred
Divide the component of ratio：42%KCl, 41%NaCl, 17% ice crystal；Use C2Cl6Skim and to stand 27min after degasification, add quality
For the K/Na alterants of aluminum alloy materials 0.85%, then cool and cast to obtain high intensity sway bar casting；High intensity sway bar is cast
Part is heat-treated, high intensity sway bar finished product is obtained after rare earth modified anodized, sealing pores, wherein, heat treatment bag
Include following steps：The temperature of uniform treatment is 485 DEG C in short-term, time 1.15h；The temperature of hot extrusion is 460 DEG C, extruding
Than for 15.8:1；The temperature of solution treatment is 490 DEG C, time 1.8h；Electrolyte used in rare earth modified anodized
Including following composition：Sulfuric acid 109.5ml/L, glycerine 9.5ml/L, oxalic acid 129.8g/L, cerium chloride O.65g/L, lanthanum chloride
0.65g/L, the voltage of rare earth modified anodized is 14V, time 1.85h；The pore-sealing liquid of sealing pores includes：
CeCl3·7H20：0.44g/L、H3B03：0.57g/L、H202：0.37ml/L.
Embodiment 5
The aluminum alloy materials for preparing high intensity sway bar are subjected to melting, wherein, the composition of aluminum alloy materials is：Si：
11.8%, Mg:1.5%, Cr：0.2%, Cu:0.3%, Mn：0.25%, Zr：0.3%, surplus be Al and inevitably it is miscellaneous
Prime element；The coverture that quality is aluminum alloy materials quality 5% is added while melting, coverture includes following mass percent
Component：40%KCl, 40%NaCl, 20% ice crystal；Use C2Cl6Skim and to stand 30min after degasification, addition quality is aluminium
The K/Na alterants of alloy material 1%, then cool and cast to obtain high intensity sway bar casting；High intensity sway bar casting is subjected to heat
High intensity sway bar finished product is obtained after processing, rare earth modified anodized, sealing pores, wherein, heat treatment includes following step
Suddenly：The temperature of uniform treatment is 480 DEG C in short-term, time 1.2h；The temperature of hot extrusion is 470 DEG C, extrusion ratio 16:1；
The temperature of solution treatment is 500 DEG C, time 2h；Electrolyte used in rare earth modified anodized includes following composition：
Sulfuric acid 110ml/L, glycerine 10ml/L, oxalic acid 130g/L, cerium chloride 0.71g/L, lanthanum chloride 0.71g/L, rare earth modified anode
The voltage of oxidation processes is 15V, time 2h；The pore-sealing liquid of sealing pores includes：CeCl3·7H20：0.45g/L、H3B03：
0.6g/L、H202：0.4ml/L.
Comparative example 1
With differing only in for embodiment 1, the aluminum alloy materials of the comparative example high intensity sway bar use common aluminum alloy
Material, other are same as Example 1, and here is omitted.
Comparative example 2
With differing only in for embodiment 1, coverture is added without in the preparation method of the comparative example high intensity sway bar, its
He is same as Example 1, and here is omitted.
Comparative example 3
With differing only in for embodiment 1, alterant is not added in the preparation method of the comparative example high intensity sway bar, its
He is same as Example 1, and here is omitted.
Comparative example 4
With differing only in for embodiment 1, common heat treatment is used in the preparation method of the comparative example high intensity sway bar,
Other are same as Example 1, and here is omitted.
Comparative example 5
With differing only in for embodiment 1, common anode oxygen is used in the preparation method of the comparative example high intensity sway bar
Change is handled, and other are same as Example 1, and here is omitted.
Comparative example 6
With differing only in for embodiment 1, using at common sealing of hole in the preparation method of the comparative example high intensity sway bar
Reason, other are same as Example 1, and here is omitted.
Performance test is carried out to high intensity sway bar in above-described embodiment 1-5 and comparative example 1-6, in test result such as table 1
It is shown.
Table 1：High intensity sway bar the performance test results in embodiment 1-5 and comparative example 1-6
As can be seen from the above results, high intensity sway bar of the present invention is prepared using aluminum alloy materials, and is rationally matched somebody with somebody
5 constituent and its mass percent of aluminium alloy, the high intensity sway bar that can make to obtain have light weight, intensity high, resistance to
Corrosion and other effects.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be substituted using similar mode, but simultaneously
Do not deviate by the spirit of the present invention or surmount scope defined in appended claims.
It is skilled to this area although having been made a detailed description to the present invention and being cited some specific embodiments
For technical staff, as long as it is obvious that can make various changes or correct without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of high intensity sway bar, it is characterised in that the high intensity sway bar is made of aluminum alloy materials, and the aluminium closes
Golden material is made up of the composition of following mass percent：Si：11.2-11.8%, Mg：1.0-1.5%, Cr：0.1-0.2%, Cu：
0.25-0.3%, Mn：0.15-0.25%, Zr：0.1-0.3%, surplus are Al and inevitable impurity element.
A kind of 2. preparation method of high intensity sway bar as claimed in claim 1, it is characterised in that the high intensity sway bar
Preparation method comprise the following steps：The aluminum alloy materials that high intensity sway bar will be prepared carry out melting, add while melting
Quality is aluminum alloy materials quality 2-5% coverture, uses C2Cl6Skim and to stand 20-30min after degasification, add K/Na and become
Matter agent, then cool and cast to obtain high intensity sway bar casting；High intensity sway bar casting is heat-treated, rare earth modified anodic oxygen
High intensity sway bar finished product is obtained after change processing, sealing pores.
3. the preparation method of a kind of high intensity sway bar according to claim 2, it is characterised in that the coverture includes
The component of following mass percent：40-50%KCl, 40-50%NaCl, 15-20% ice crystal.
A kind of 4. preparation method of high intensity sway bar according to claim 2, it is characterised in that the K/Na alterants
Addition be aluminum alloy materials 0.5-1%.
5. the preparation method of a kind of high intensity sway bar according to claim 2, it is characterised in that the heat treatment includes
Homogenization Treatments, hot extrusion, solution treatment and Ageing Treatment in short-term.
A kind of 6. preparation method of high intensity sway bar according to claim 5, it is characterised in that the place uniform in short-term
The temperature of reason is 450-480 DEG C, time 1-1.2h.
A kind of 7. preparation method of high intensity sway bar according to claim 5, it is characterised in that the hot extrusion
Temperature be 430-470 DEG C, extrusion ratio 15-16:1.
8. the preparation method of a kind of high intensity sway bar according to claim 5, it is characterised in that the solution treatment
Temperature is 450-500 DEG C, time 1-2h.
A kind of 9. preparation method of high intensity sway bar according to claim 2, it is characterised in that the rare earth modified sun
Electrolyte used in the oxidation processes of pole includes following composition:Sulfuric acid 108ml/L, glycerine 8ml/L, oxalic acid 129-130g/L, chlorine
Change cerium O.59-0.71g/L, lanthanum chloride 0.59-0.71g/L, the voltage of rare earth modified anodized is 12-15V, and the time is
1.5-2h。
A kind of 10. preparation method of high intensity sway bar according to claim 2, it is characterised in that the sealing pores
Pore-sealing liquid include：CeCl3·7H20：0.39-0.45g/L、H3B03：0.5-0.6g/L、H202：0.3-0.4ml/L.
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| CN109017185A (en) * | 2018-08-31 | 2018-12-18 | 青岛航大新材料技术有限公司 | The split type I type distance rod of aluminium alloy and its casting and forming and agitating friction are welded method of completing the square |
| CN109017186A (en) * | 2018-08-31 | 2018-12-18 | 北京航大新材科技有限公司 | The split type V-type distance rod of aluminium alloy and its casting and forming and agitating friction are welded method of completing the square |
| CN109109591A (en) * | 2018-08-31 | 2019-01-01 | 青岛航大新材料技术有限公司 | The split type V-type distance rod of aluminium alloy and its preparation process and agitating friction are welded method of completing the square |
| CN109130748A (en) * | 2018-08-31 | 2019-01-04 | 北京航大新材科技有限公司 | The split type I type distance rod of aluminium alloy and its casting and forming and overall thermal riveting assembly method |
| CN109263421A (en) * | 2018-08-31 | 2019-01-25 | 北京航大新材科技有限公司 | Split type V-type distance rod of aluminium alloy and preparation method thereof is pressed method of completing the square with rivet hot |
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